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Journal of Epidemiology and Community Health|May 18, 1999
Study of environmental, social, and paternal factors in preterm delivery using sibs and half sibs. A population-based study in DenmarkO Basso, J Olsen, K ChristensenFASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology|January 1, 1993
Ribosomal RNA: a key to phylogenyG J Olsen, C R WoeseSocial Work|January 1, 1996
Substance abuse-affected families in the child welfare system: new challenges, new alliancesL Azzi-Lessing, L J OlsenAmerican Journal of Epidemiology|March 15, 1996
Smoking reduces fecundity: a European multicenter study on infertility and subfecundity. The European Study Group on Infertility and SubfecundityF Bolumar, J Olsen, J BoldsenArthritis Care and Research : the Official Journal of the Arthritis Health Professions Association|June 1, 1997
Inflammatory myopathies: issues in diagnosis and managementN J Olsen, J H ParkJournal of Clinical Epidemiology|July 1, 1996
Referral bias among health workers in studies using hospitalization as a proxy measure of the underlying incidence rateF Tüchsen, O Andersen, J OlsenArthritis and Rheumatism|September 1, 1984
Decreased pokeweed mitogen-induced IgM and IgM rheumatoid factor synthesis in rheumatoid arthritis patients treated with gold sodium thiomalate or penicillamineN J Olsen, H E JasinInternational Journal of Epidemiology|October 3, 1998
Risk of preterm delivery, low birthweight and growth retardation following spontaneous abortion: a registry-based study in DenmarkO Basso, J Olsen, K ChristensenJournal of Biosocial Science|April 1, 1990
Coital frequency and twinningB Bønnelykke, J Olsen, J NielsenUgeskrift for Laeger|July 14, 1997
[Smoking reduces the biological capacity of conception. Results from a European multicenter study. The European Study Group on Infertility and Subfecundity]F Bolumar, J Olsen, J BoldsenPageof 201